No, Outerra water is different from Eric Bruneton's implementation. Plus he can't do beach waves (yet), they would be actually harder to do with his approach.
Our waves can be scaled, to an extent, but we can't get proper large rolling waves yet (that would be good-looking, that is). Needs some more work.
Yes, we've been even in contact with him, and there are several threads on the forums that mention it too.